Upright Column Gauge 11 ga Compatible Arm Length 24 in Maximum Arms per Side 9 Maximum Load Capacity per Side 12 530 lb Number of Usable Sides 2 Overall Height 8 ft Overall Width 9 1/2 in Compatible Grainger Part Number 1CHZ6 Base Depth 65 in Includes Mounting Hardware Yes Duty Rating Heavy-Duty Steel Includes Toe Plate